Finding the Fourth Proportional to 127,064.81, 175,346.82 and 78,653.94

Step by Step Solution

1. Step 1: Write the proportion equation
   127,064.81 : 175,346.82 = 78,653.94 : x
2. Step 2: Convert to fraction form
   127,064.81/175,346.82 = 78,653.94/x
3. Step 3: Cross multiply
   127,064.81x = 175,346.82 × 78,653.94
4. Step 4: Simplify right side
   127,064.81x = 13,791,718,259.47
5. Step 5: Solve for x
   x = 13,791,718,259.47/127,064.81
6. Step 6: Final answer
   x = 108,540.82